#include <stdio.h>
struct Xxx
{
    int aa;
    double bb;
};

void main (void)
{
    struct Xxx mm;
    struct Xxx *pp;

    mm.aa = 8;
    mm.bb = 23.2;

    pp = &mm;

    (*pp).aa = 12 ;
    pp->bb   = 97.2;

    printf ("%d %lf\n", mm.aa, mm.bb);
}








